/*
 * Copyright (C) 2018 The Asiainfo-Ability Authors
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

package org.asiainfo.ability.manager.service;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.asiainfo.ability.manager.code.SessionKey;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * @Author: visen
 * @Date: 2018/1/31
 * @Description:
 */

public class ManagerFilter implements Filter {
    public static final Logger logger = LogManager.getLogger(ManagerFilter.class);

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse
            , FilterChain filterChain) throws IOException, ServletException {
        //if(servletRequest.get)
        if(checkSession((HttpServletRequest)servletRequest)) {
            filterChain.doFilter(servletRequest, servletResponse);
        } else {
            //servletResponse.getOutputStream().write();
        }

    }

    private boolean checkSession(HttpServletRequest servletRequest) {
        HttpSession session = servletRequest.getSession(false);
        if(session == null || session.getAttribute(SessionKey.STAFF) == null) {
            return false;
        }
        return true;
    }

    @Override
    public void destroy() {
    }
}
